J Korean Med Sci.  2015 Apr;30(4):483-488. 10.3346/jkms.2015.30.4.483.

Trend in Hip Fracture Incidence and Mortality in Korea: A Prospective Cohort Study from 2002 to 2011

• Ha YC
• Park YG
• Nam KW
• Kim SR

• KMID: 2164458
• DOI: http://doi.org/10.3346/jkms.2015.30.4.483

Abstract

This prospective longitudinal cohort study was to assess the 10-yr hip fracture incidence and mortality trend of person > or = 50 yr of age between 2002 and 2011 of eight hospitals in Jeju Island. Sex-specific incidence rate (per 100,000 person-years) were calculated based on that estimated for the population in the United States in 2008. Poisson and logistic regressions were used to examine trends in incidence and mortality. There was a 101% increase in the number of hip fractures from 151 in 2002 to 304 in 2011. The crude incidence of hip fractures in the Jeju population > or = 50 yr of age increased from 126.6/100,000 to 183.7/100,000. The fracture incidence in the population standardized to the 2008 population in the United States increased from 100.6/100,000 for men and 194.4/100,000 for women in 2002 to 114.2/100,000 for men and 278.4/100,000 for women in 2011. The annual increasing incidence rate of hip fracture was 4.3% (5.3% in women and 2.2% in men). Poisson regression did not show significant trends in the mortality rates for all age groups or for both genders. The total number of hip fractures increased two-fold and the incidence rate of hip fractures increased markedly during the 10-yr study period.

Keyword

Hip Fractures; Incidence; Mortality; Osteoporosis; Trend; Korea

MeSH Terms

Aged
Aged, 80 and over
Cohort Studies
Female
Hip Fractures/*epidemiology/mortality
Humans
Incidence
Male
Middle Aged
Prospective Studies
Republic of Korea/epidemiology
Time Factors

Figure

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  Fig. 1 Total numbers of hip fractures among persons ≥ 50 yr of age between 2002 and 2011.

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  Fig. 2 Age and gender-specific mean incidences of hip fractures during study periods.

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  Fig. 3 During study periods, 70-79 age group in man (A) and over the eighty group in woman (B) shows higher increasing incidence rate.

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  Fig. 4 A 30/180/365 days mortality rate of hip fractures among persons ≥ 50 yr of age between 2002 and 2011.

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